Home / 10,246.88-15,357.63-4,977.58

Finding the Fourth Proportional to 10,246.88, 15,357.63 and 4,977.58

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Solution

The fourth proportional to 10,246.88, 15,357.63 and 4,977.58 is: 7,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.88 : 15,357.63 = 4,977.58 : x
  2. Step 2: Convert to fraction form
    10,246.88/15,357.63 = 4,977.58/x
  3. Step 3: Cross multiply
    10,246.88x = 15,357.63 × 4,977.58
  4. Step 4: Simplify right side
    10,246.88x = 76,443,831.94
  5. Step 5: Solve for x
    x = 76,443,831.94/10,246.88
  6. Step 6: Final answer
    x = 7,460.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.